胶凝的
硅酸盐水泥
水泥
脱水
材料科学
电流(流体)
废物管理
复合材料
工程类
化学
生物化学
电气工程
作者
Ana Carriço,José Alexandre Bogas,Mafalda Guedes
标识
DOI:10.1016/j.conbuildmat.2020.118873
摘要
Cementitious materials can regain hydraulic binding properties when thermally treated at high temperature, and this potential has been explored to obtain a new type of recycled binder. The current article examines the main phases involved in cement dehydration and rehydration and the dehydration kinetics. Main production issues, including reduced setting time and excessive water demand, and collected mechanical results are also described. The possibility to synergistically use thermoactivated cement with ordinary Portland cement and mineral additions to overcome some of the main current challenges reported in the literature is analysed. Overall, thermoactivated cements show great potential as a stepping stone towards fully recyclable concrete.
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